MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 10fcf85b41853da43a006c56a60173427f7b31f11cfb72e87c8bf5d537c59f8e. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 14


Intelligence 14 IOCs YARA 2 File information Comments
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SHA256 hash: 10fcf85b41853da43a006c56a60173427f7b31f11cfb72e87c8bf5d537c59f8e
SHA3-384 hash: 267186d6ca42fe437e836df03f76928c278c1a7a505f598e0d27f9f448c51a05e61bd1bacd2ea80991690bc9f9fcc516
SHA1 hash: b73bd3db3d6bc0ec997f891123c2940ae93b2eae
MD5 hash: 6db0efc32c069008713701ee4a41cb0e
humanhash: batman-music-river-don
File name:IMG_9786.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:408'064 bytes
First seen:2022-01-13 02:19:37 UTC
Last seen:2022-01-13 03:39:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'640 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:/K7777777777776PXO+zHdc7LudYnSUUYfAV5tvdJgCwq:/K7777777777776/Rzi76dlufAV5tdJg
Threatray 12'731 similar samples on MalwareBazaar
TLSH T1549412C905160357DEE4DE3674A88440AFF4BDA83646CAD8758DF68B01F5FF86B03A26
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
2
# of downloads :
304
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
IMG_9786.exe
Verdict:
Malicious activity
Analysis date:
2022-01-13 02:23:36 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/54b7ad0c-abc7-4b8e-b724-82dcb381326d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/218883/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.24280.30943.6714.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61df8c571883c5ba4ec61e47/reports/86396699-0332-4bd8-9052-747c03054835/overview
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/633e9ff6-301d-4564-9ff7-e3493644662e
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/919743
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 552221 Sample: IMG_9786.exe Startdate: 13/01/2022 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 10 other signatures 2->42 9 IMG_9786.exe 3 2->9         started        process3 file4 28 C:\Users\user\AppData\...\IMG_9786.exe.log, ASCII 9->28 dropped 56 Tries to detect virtualization through RDTSC time measurements 9->56 13 IMG_9786.exe 9->13         started        16 IMG_9786.exe 9->16         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 13->58 60 Maps a DLL or memory area into another process 13->60 62 Sample uses process hollowing technique 13->62 64 Queues an APC in another process (thread injection) 13->64 18 svchost.exe 13->18         started        21 explorer.exe 13->21 injected process8 dnsIp9 44 Self deletion via cmd delete 18->44 46 Modifies the context of a thread in another process (thread injection) 18->46 48 Maps a DLL or memory area into another process 18->48 50 Tries to detect virtualization through RDTSC time measurements 18->50 24 cmd.exe 1 18->24         started        30 www.inversoga.com 43.134.0.76, 49818, 80 LILLY-ASUS Japan 21->30 32 glmarketplace.net 152.228.155.78, 49812, 80 ILIGHT-NETUS United States 21->32 34 10 other IPs or domains 21->34 52 System process connects to network (likely due to code injection or exploit) 21->52 54 Performs DNS queries to domains with low reputation 21->54 signatures10 process11 process12 26 conhost.exe 24->26         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/10fcf85b41853da43a006c56a60173427f7b31f11cfb72e87c8bf5d537c59f8e/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-01-13 02:20:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cd6pqw2bqu62ioqanrlkmaltij7xwmprdt5xf2d4rp25kn6ft6ha._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
16129df384053888782272720ec796ed1e0947d6122bd32823b3ccd03e892664
Formbook
204831bda7d04f0905f7bf0c39e45b3772935726d8a436ee9703a19098b37e21
Formbook
2f08f5b23a062671fba5957b98d05a728299bb1ae98695b9b5d36e75528ccab7
Formbook
4c20199af53476746b9169321c057437c7341c334d61f496820876d9feb63251
Formbook
5c8f31380d956958134331ea55e63835fd16ca1f02f4c81672b69db70bc97ab8
Formbook
9050768f69225078f05d535401510a5b361dd071430e40639e869c7247621908
Formbook
99e122686461defed546b28e1b3461a92cc5a3e0fe46cac917f5e130d5941f1f
Formbook
eafdeb6ac0b1bd6f065c70b3b2892bf04c6d5d674751e64b7583ba13ddf6ebd5
Formbook
f75fa96a8fe88dc2fffd64208705d26fb980db33afff6b872f34e1f9034e0363
Formbook
+ 12'721 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:eqhv loader rat suricata
Link:
https://tria.ge/reports/220113-csfk5afcgk/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
438c184cea1b464e6d5ad95d8d4ccc18a275d4e4823c1267014e4e6adedc0d45
MD5 hash:
1dfd52ddf6631f7bb887b766d8ddbed1
SHA1 hash:
37000e4f018c19f95b692f479ae536f706fcc9f1
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/42c29f36-c880-41eb-9f44-e872598ca43a/
Parent samples :
10fcf85b41853da43a006c56a60173427f7b31f11cfb72e87c8bf5d537c59f8e
5568c3fed11b0714b4cf891d08bd645cdee9ba3801bcb4c31a16a510f23c6898
31fcaa22e49398fe59bfdbd11e8b341c700c8dab0165b67caf3982f7e7164643
400558d78a7f45c87f3e0376dd0082f6df8dc35a4e547b2c8bdd44a01f978a65
SH256 hash:
a01e43ad1dff4c8d65152c072ad72bc1aeb7eb125022538f29c04e75f3e8cca6
MD5 hash:
786b91def5528664bd45e35af1b3ef5f
SHA1 hash:
dda4e7d994947ce80aaab41ef80b4f09fbc53e02
Link:
https://www.unpac.me/results/42c29f36-c880-41eb-9f44-e872598ca43a/
SH256 hash:
dcb8a2ae5d656a723f8c22f2e7fd7be9edd70afa54f537f3e9d9a3fe1ea4ca9e
MD5 hash:
0fa4260ff7f6ae99a18c55956a3c631e
SHA1 hash:
d8d2b34b94633d7f501d78997b032d4be517f6ef
Link:
https://www.unpac.me/results/42c29f36-c880-41eb-9f44-e872598ca43a/
SH256 hash:
10fcf85b41853da43a006c56a60173427f7b31f11cfb72e87c8bf5d537c59f8e
MD5 hash:
6db0efc32c069008713701ee4a41cb0e
SHA1 hash:
b73bd3db3d6bc0ec997f891123c2940ae93b2eae
Link:
https://www.unpac.me/results/42c29f36-c880-41eb-9f44-e872598ca43a/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/10fcf85b4185/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/10fcf85b41853da43a006c56a60173427f7b31f11cfb72e87c8bf5d537c59f8e

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 10fcf85b41853da43a006c56a60173427f7b31f11cfb72e87c8bf5d537c59f8e

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/218883/

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